OPTO 22 SNAP PAC R SERIES, User Manual

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CHAPTER 3: SYSTEM INFORMATION
SNAP PAC R-Series Controller User’s Guide 37
SNAP-PAC-R1 AND -R2 COMPARISON CHART
The following table compares SNAP PAC R-series controllers with firmware 9.4 or newer.
FEATURE
SNAP-P
AC-R1
SNAP-P
AC-R1-FM
SNAP-P
AC-R1-W
SNAP-P
AC-R2
SNAP-P
AC-R2-FM
SNAP-P
AC-R2-W
SNAP-P
AC-R1-B
Factory Mutual approval
  
UL approval
      
Digital I/O
point features
Input latching
      
On/off status
      
Watchdog timer
      
High-speed counting (up to 20 kHz)
1
   
Quadrature counting
2
   
On-pulse and off-pulse measurement
1,3
   
Frequency and Period measurement
1,3
   
TPO (time-proportional output)
3
      
Digital totalizing
1,3
      
Pulse generation (N pulses, continuous square wave,
on-pulse, and off-pulse)
3
      
Analog I/O
point features
Thermocouple linearization (32-bit floating point for
linearized values)
      
Minimum/maximum values
      
Offset and gain
      
Scaling
      
TPO (time-proportional output)
4
      
Output clamping
      
Filter weight
      
Watchdog timer
      
Analog totalizing
3
      
Ramping
3
      
High-density digital (HDD) modules (inputs and outputs)
      
Serial communication modules
      
PID logic (maximum 96 PID loops per controller)
      
Works with PAC Project software
      
Runs PAC Control strategies
      
Wired Ethernet network (two independent network interfaces)
      
Security for wired network (IP filtering, port access)
      
Wireless LAN interface (802.11a, b, or g)
 
Security for wireless network (WPA2-AES, WPA-TKIP, WEP)
 
OPC driver support
      
Modbus/TCP (slave)
      